dreamweaver tricks

first, you may not feel the need to use the ELSE clause in a try/except block. After all, in the code snippet below, only Dangerous_call () does not throw an exception, After_call () will execute, right?1 Try : 2 dangerous_call ()3 after_call ()4except oserror: 5 log ('oserror ... ')However, After_call () should not be placed in a try block. For clarity, the try block should include only the statements that throw the expected exception. Therefore, it is better to write to the follo

logging.Press CTRL + A again, the lower left corner of the screen will prompt logfile "screenlog.0" closed., stop logging.There is a drawback to the above two methods: When creating multiple screen sessions, each session logs the log to the screenlog.0 file. The content in the screenlog.0 is a bit confusing.as a workaround , let each screen session window have a separate log file.Add the following line at the end of the screen configuration file/ETC/SCREENRC:Logfile/tmp/screenlog_%t.log%t refer

method to choose. Some customers prefer Agile, while others like the Waterfall model. So it's absolutely impressive to be able to do all sorts of different ways.10. Record your views on the technology to the documentation/blogIn our daily work, we may learn new things, new ways of doing things, practical forms and architectural ideas. You can record these ideas in a document or blog and share them with you. Because the way you're going to solve the problem is probably just another corner of the

]:/tmp# else's MagicalIn some scenarios we need to determine whether we are for jumping out of a loop break and dealing with it only for the case of a break bounce. It is often our practice to use a flag variable to identify whether it for jumps out of the loop. As shown in the following example, see if there is a multiple of 17 between 60 and 80. flag = Falsefor item in xrange(60, 80): if item % 17 == 0: flag = True breakif flag: print "Exists at least one number can be di

each time you crawl.Here is a trickery method, is to use squid as a proxy server to crawl, then squid will automatically maintain the connection pool, but also comes with data caching function, and squid is the one I have on each server must be installed.2. Automatic retry after Setup failure defget(self,req,retries=3):try:response=self.opener.open(req)data=response.read()exceptException:printwhat,reqifretries>0:returnself.get(req,retries-1)else:print 'GETFailed',reqreturn''returnd

Tuning tool (Unity Tweak tools) is your one-stop tool and can even customize the tiniest aspects of the Ubuntu desktop. Replace the icon. Specifies the trigger angle of the display or hide window. If you have anything else to worry about unity, you can fine-tune it here.For example, System setup > appearance provides an option to automatically hide the launcher. The Unity Adjustment tool allows you to change animations during animations.Clicking the icon in the launcher opens the application. C

The files of one project in a job are generally in one path, and most people are accustomed to fixing eclipse's workspace. But occasionally there is something else, like doing a big project interspersed with some OJ, or something else ... This time of course you can choose to install an eclipse, but you can also set the Eclipse workspace to switch. The following is workspace, generally the first time to open workspace, everyone is used to hook on the default workspace option, so when the second

XP system is Microsoft all developed operating system in the fastest speed, but there are still many users are not satisfied with the so-called speed of the XP system, today everyone will learn a few tricks bar, let your XP system boot speed in the lift. In order to better manage the system start-up performance, Microsoft launched a special system boot tracking, optimization program: Bootvis.exe. Using this program we can intuitively understand the s

bash_rematch[] array #re1.sh#!/bin/bash# manage to know your nameread-p "Please input your fullname:" Nameif [[$NAME =~ (. *) [[: Space:]] (. *)]];thenecho "Your last name ${bash_rematch[2]}" echo "Your name is ${bash_rematch[1]}" echo "Full name ${bash_rematch[0 ]} "fi execution results [[email protected] shell]#./re1.sh Please input your Fullname:liancao Liu your surname Liu you call liancao full name Liancao Liu71 scripts to guess numbers#一个猜数字的sh #numguess.sh#!/bin/bash#youmaywanttoguessbet

1. Use local variables instead of module variablesA name like OS.LINESEP requires an interpreter to do two queries:1) Find the OS to confirm that it is a module2) Find the LINESEP variable in this moduleBecause the module is also a global variable, we consume more system resources. If you use a property in a function like this frequently, we recommend that you take a local variable alias for that property.Variable lookup speed will be much faster-always look for local variables before looking

The DB2 tutorial you are looking at is: DB2 Programming small tricks. Some programming experience, share with everybody! 1 DB2 Programming 1.1 When you create a stored procedure, you must not use the TAB key 3 1.2 Use temporary table 3 1.3 Take the first few records from the datasheet 3 1.4 Use of Cursors 4 Note Commit and rollback 4 Two ways to define a cursor 4 method to modify the current record of a cursor 5 1.5 transcoding operations similar to

How to let other people in the Trojan? This is the question which the netizen asks most, the sporadic answer also has some, but is always very few, then the small fish son decided gathers the wisdom of everybody and in a little experience to write a feature article. I hope you can speak a lot, improve this article for all Trojan enthusiasts to make a point of their contribution. The goal is to make everyone aware of the common tricks of Trojans to pr

: Help [XXX] querying the assistance document: e! Discard all changes and reload the document: Set ruler Displays the current cursor positionCTRL] In: |xxx| in the help [XXX] Interface Press this command to jump to this command in detailCtrl-t Back in command detailCtrl-g gets the position of the current cursor, such as the number of rows, the percentage of the document location50% jump to 50% of the document, with h| m| The difference is based on the total number of document rows instead of the

8. Using the standard V8 methodSome operations on the collection, such as Map,reduce, and forEach do not necessarily support all browsers. Some browser compatibility issues can be resolved through the foreground library. But for node. js, you know exactly what Google's V8 JavaScript engine supports. This allows you to manipulate the collection directly on the server using these built-in methods.9. Use Nginx in front of NodeNginx is a

data that is passed back and merge it.var store = ext.create (' Ext.data.Store ', { //... Listeners: { ' Metachange ': function (store, meta) { mygrid.reconfigure (store, meta.columns);}} );Ideally, each load does not need to reconfigure the grid unless the field/column needs to be reconfigured. However, it is best to use the metadata in the returned response when the field or column changes.For more information about Metachange events and metadata configuration items

Lazy, a picture with the following steps to get it done.1, right-click the project, select Propertities after the selection of ① (obscured);2, first do not ② tick off, Click Apply, and then in the ② place tick. At this point the ④ position will appear east, click the Blue Hyperlink. Fill in the path created by Web-inf. Maven Project fill in Src/main/webapp Remember to tick the option to automatically create Web. XML below and click OK.Add: In step 2, the ④ location may not appear the result that

aligning)When we are using table, what if we need to center the contents of a column? Don't ask, we take it for granted, using the following line of words:Vertical-align:middleMany times, this can work, but there are always exceptions. For example, you now have a navigation menu with a height of 2em, and if you insert this command, sorry, it will not execute, and will put the text to the top.How does that work out? very simple.You just have to assign the height of the box model to the Line-heig

;style>body{ padding:0; margin:0; color:#f00;}.container{ margin:0 auto; width:600px; border:3px solid #00C;overflow:hidden; /*这个超出隐藏的声明在IE6里不写也是可以的*/}.left{ float:left; width:150px; background:#B0B0B0;padding-bottom:2000px;margin-bottom:-2000px;}.right{ float:left; width:450px; background:#6CC;padding-bottom:2000px;margin-bottom:-2000px;}style>head>body>divclass="container">divclass="left">我是leftdiv>divclass="right">我是rightbr>br>br>现在我的高度比left高，但left用它的padding-bottom补偿了这部分高度div>divstyle="clear:

Html: Tricks: How to Automate submitting forms Method One:(1) Automatic submission of the form: 10 seconds to submit. --------------------------------------------------------------------------------------------------------- Method Two: I want to open a page a.htm when the form of a form to the server b.htm submit data, as if to apply for 100 mailboxes, you can achieve it. -------------------------------------------------------------------------

algorithm scoring requirements, but also in a stable space, the general will be immediately included in your home page, and will be based on the quality of your home page to a certain ranking. There is also a home page, after a long time the pages are not included or included in the efficiency is very low. In fact, this situation is not necessarily Baidu did not include your site information, but sometimes Baidu to many sites to take different strategies to test you, deliberately collected info